Home / 331,776,252.40-497,664,378.60-311,604,271.60

Finding the Fourth Proportional to 331,776,252.40, 497,664,378.60 and 311,604,271.60

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Solution

The fourth proportional to 331,776,252.40, 497,664,378.60 and 311,604,271.60 is: 467,406,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,252.40 : 497,664,378.60 = 311,604,271.60 : x
  2. Step 2: Convert to fraction form
    331,776,252.40/497,664,378.60 = 311,604,271.60/x
  3. Step 3: Cross multiply
    331,776,252.40x = 497,664,378.60 × 311,604,271.60
  4. Step 4: Simplify right side
    331,776,252.40x = 155,074,346,194,919,648
  5. Step 5: Solve for x
    x = 155,074,346,194,919,648/331,776,252.40
  6. Step 6: Final answer
    x = 467,406,407.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.